Eukaryotic DNA is contained within the.
a) central vacuole
b) nucleus
c) golgi body
d) lysosome
e) ribosomes
f) contractile vacuole
Answer: b) nucleus
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How do fossils provide evidence of evolution?
a. Fossils show the progression of anatomical changes that resulted in new species. b. Fossils show us when a species has died off and where the species was located. c. Fossils show us where a species lived during its existence. d. Fossils provide no evidence for evolution, only natural selection.
The ? helix and ? pleated sheet represent which level of protein structure?
A. primary structure B. secondary structure C. tertiary structure D. quaternary structure E. pentiary structure
The data in Table 20.3 show that these bacteria
a. Can be subcultured. b. Developed resistance to antibiotics. c. Were killed by 0.125 g/ml of antibiotic X. d. Were killed by 0.5 g/ml of antibiotic X. e. Were resistant to 1.0 g/ml at the start of the experiment.
The study and reconstruction of phylogenies is
A. systematics. B. cladistics. C. taxidermy. D. evolution. E. taxonomy.